Replacement O-Ring Seal for Cummins ® ISX/QSX Applications Cartridge to Pump Housing OEM Cross References: 3684384

Product Details

1 x Water Pump Cartridge Seal Ring

Model: Cummins ISX / QSX Engine

Details:

O-Ring
0.139 in C/S x 4.859 in ID
3.53 mm C/S x 123.42 mm ID
EPDM 70, Black Series # -249

OE Replacements: 121384, 3684384

Cross References:

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: ISX/QSX

Confirm the original part number and engine identification before ordering. Where applicable, also verify serial-number range, production year, piston style, bearing size or other configuration notes shown in the product information.

Part Numbers & Cross References

• OEM Cross Reference: 3684384
• Interstate-McBee Reference: M-3684384

Need Help Confirming Fitment?

Use the engine model, serial number and original part number when checking compatibility. For kits and sets, review the complete component breakdown above before ordering because contents can vary by engine configuration.